Smilodectes gracilis Marsh 1871

Mammalia - Primates - Notharctidae

Alternative combinations: Hyopsodus gracilis, Notharctus gracilis, Sarcolemur gracilis

Synonyms: Aphanolemur gibbosus Granger and Gregory 1917, Notharctus matthewi Granger and Gregory 1917

Full reference: O. C. Marsh. 1871. Notice of some new fossil mammals from the Tertiary Formation. American Journal of Science 2(7):35-44

Belongs to Smilodectes according to P. D. Gingerich 1979

See also Eaton 1982, Gazin 1958, Gazin 1965, Gazin 1968, Gazin 1976, Granger and Gregory 1917, Hay 1902, Matthew 1909, Osborn 1902, Robinson 1957, Troxell 1926 and Wortman 1903

Sister taxa: Smilodectes mcgrewi, Smilodectes sororis

Type specimens:

  • Smilodectes gracilis: YPM 11800, a mandible (anterior part of a left mandibular ramus containing p4, m1, and a portion of p3). Its type locality is Grizzly Buttes, which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
  • Aphanolemur gibbosus:
  • Notharctus matthewi:


• Eocene of United States (17: Colorado, Utah, Wyoming collections)

Total: 17 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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